Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

Ethanol can be used as an alternative fuel! The purpose of this experiment is to identify a starch plant that produces the largest quantity of ethanol.

This imaginative art activity will help your child to better understand symmetry and explore color and shape.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

Use a recycling project to hone your childâs sewing skills and clean up her art supplies when she turns the leg of an old pair of jeans into a storage basket.

Want a fun way to teach your kid to tell time? Making a plate clock is a great way for him to learn how to tell time in a way he'll actually find exciting.

Challenge your preschooler to a game of shape match-up--an entertaining way to boost her observational ability.

This science fair project idea determines which flower lasts the longest.

Practice counting to 100 independently with this American flag craft project! 

Tangrams are a kindergarten staple, but now it's time to take them to the next level! Get your child started on geometry with this tangram puzzle.

This fun outdoor game will help your child develop her addition and subtraction skills and teach her basic arithmetic while keeping her active.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

This very physical game gets math off the page and into the real world-- and it works on number sense and estimation, key skills for kindergarten readiness.

Your child can turn cookie dough into a big pile of colorful painted fall leaves ready for eating!

This science fair project idea determines if pancreatic lipase can break down lipids on its own or does it require the assistance of digestive bile salt.

This science fair project explores different types of endangered frogs, and why some are endangered while others are not.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

Easy and cool middle school science fair project on ripening process of fruits and measures you can take to prevent fruits from rotting and delay ripening.

Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.

Check out this cool science fair project idea to explore non-chemical means of preserving fruits by using thermotherapy.

This experiment will explore the best way to create a perfect soft-boiled egg.

Science fair project that examines various techniques for removing wrinkles from polyester garments to understand why polyester garments become wrinkled.

This cookie dough handles like molding clay, but also makes delicious cookies. Use this activity to strengthen your child's alphabet skills.

Is your kid struggling with number recognition? Here's a great way to go fishing for numbers that will feel more like play than counting practice.

Draw some educational value out of a summer stocked full of adventures!

Candy cane ornaments bring some cheer to your Christmas tree. Make a batch of candy cane ornaments with your child to practice patterning and fine motor skills.

Using a fruit cereal and yarn, help your preschooler create crunchy, edible patterns.

How do cold packs work? Explore endothermic reactions by comparing the temperature change that results from various chemicals added to water to find out!